Search a number
-
+
52231324551 = 372355315133
BaseRepresentation
bin110000101001001110…
…101100001110000111
311222211002110012110220
4300221032230032013
51323432204341201
635554510315423
73526224635100
oct605116541607
9158732405426
1052231324551
112017324822a
12a1581b8b73
134c0511b203
142756c033a7
15155a6ed036
hexc293ac387

52231324551 has 12 divisors (see below), whose sum is σ = 81011850552. Its totient is φ = 29846471088.

The previous prime is 52231324529. The next prime is 52231324591. The reversal of 52231324551 is 15542313225.

It is not a de Polignac number, because 52231324551 - 26 = 52231324487 is a prime.

It is a super-2 number, since 2×522313245512 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52231324591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177657420 + ... + 177657713.

It is an arithmetic number, because the mean of its divisors is an integer number (6750987546).

Almost surely, 252231324551 is an apocalyptic number.

52231324551 is a deficient number, since it is larger than the sum of its proper divisors (28780526001).

52231324551 is a wasteful number, since it uses less digits than its factorization.

52231324551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355315150 (or 355315143 counting only the distinct ones).

The product of its digits is 36000, while the sum is 33.

Adding to 52231324551 its reverse (15542313225), we get a palindrome (67773637776).

The spelling of 52231324551 in words is "fifty-two billion, two hundred thirty-one million, three hundred twenty-four thousand, five hundred fifty-one".

Divisors: 1 3 7 21 49 147 355315133 1065945399 2487205931 7461617793 17410441517 52231324551